JPS59196535U - low noise engine - Google Patents

low noise engine

Info

Publication number
JPS59196535U
JPS59196535U JP9139783U JP9139783U JPS59196535U JP S59196535 U JPS59196535 U JP S59196535U JP 9139783 U JP9139783 U JP 9139783U JP 9139783 U JP9139783 U JP 9139783U JP S59196535 U JPS59196535 U JP S59196535U
Authority
JP
Japan
Prior art keywords
engine
low noise
front cover
noise engine
crank pulley
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9139783U
Other languages
Japanese (ja)
Inventor
鈴木　訓弘
野村　伸也
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP9139783U priority Critical patent/JPS59196535U/en
Publication of JPS59196535U publication Critical patent/JPS59196535U/en
Pending legal-status Critical Current

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  • Pulleys (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、従来のエンジンの一部縦断面図、第２図は、
第１図のエンジンにおいて定在波が生ずるメカニズムの
説明図、第３図は、本考案の一つの実施例に係る低騒音
エンジンの一部縦断面図、第４図は、第３図のフロント
カバーの一部正面図、第５図は、第３図のクランクプー
リの一部正面図、第６図は、第３図の低騒音エンジンに
おいて定在波示生しないようになるメカニズムの説明図
である。 ７・・・シリンダブロック、８・・・タイミングギヤ、
９・・・タイミングベルト、１０・・・フロントカバー
、１１−・・・クランク軸貫通孔、１２・・・クランク
軸、１４・・・クランクプーリ、１５．１６・・・凹凸
。Fig. 1 is a partial vertical sectional view of a conventional engine, and Fig. 2 is a partial longitudinal sectional view of a conventional engine.
Fig. 1 is an explanatory diagram of the mechanism by which standing waves are generated in the engine; Fig. 3 is a partial vertical sectional view of a low-noise engine according to an embodiment of the present invention; Fig. 4 is a front view of the engine shown in Fig. 3; FIG. 5 is a partial front view of the cover, FIG. 5 is a partial front view of the crank pulley shown in FIG. 3, and FIG. 6 is an explanatory diagram of the mechanism that prevents standing waves from occurring in the low-noise engine shown in FIG. 3. It is. 7... Cylinder block, 8... Timing gear,
9...Timing belt, 10...Front cover, 11-...Crankshaft through hole, 12...Crankshaft, 14...Crank pulley, 15.16...Irregularities.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダブロックにはタイミングギヤ及びタイミングベ
ルトを覆うフロントカバーが取付けられ、該フロントカ
バーにはクランク軸貫通孔が穿設されており、該クラン
ク軸貫通孔よりクランク軸が突出し、該クランク軸の先
端にはクランクプーリが取付けられているエンジンであ
って、前記フロントカバーと該クランクプーリとの対向
面のうち少なくともいずれか二方には、その表面に凹凸
が設けられていることを特徴とする低騒音エンジン。A front cover that covers the timing gear and timing belt is attached to the cylinder block, and a crankshaft through hole is bored in the front cover. is a low-noise engine to which a crank pulley is attached, characterized in that at least two of the opposing surfaces of the front cover and the crank pulley are provided with irregularities on the surface thereof. engine.
JP9139783U 1983-06-15 1983-06-15 low noise engine Pending JPS59196535U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9139783U JPS59196535U (en) 1983-06-15 1983-06-15 low noise engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9139783U JPS59196535U (en) 1983-06-15 1983-06-15 low noise engine

Publications (1)

Publication Number Publication Date
JPS59196535U true JPS59196535U (en) 1984-12-27

Family

ID=30221381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9139783U Pending JPS59196535U (en) 1983-06-15 1983-06-15 low noise engine

Country Status (1)

Country Link
JP (1) JPS59196535U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62122156U (en) * 1986-01-25 1987-08-03
EP0710785B1 (en) * 1994-11-04 1998-01-14 Toyota Jidosha Kabushiki Kaisha Noise-reducing pulley arrangement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62122156U (en) * 1986-01-25 1987-08-03
EP0710785B1 (en) * 1994-11-04 1998-01-14 Toyota Jidosha Kabushiki Kaisha Noise-reducing pulley arrangement

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